linux-kernel - [PATCH RFC v2 05/12] Task tracking per file descriptor

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Date:	Sun, 17 Apr 2016 23:44:07 -0700
From:	"Bill Huey (hui)" <bill.huey@...il.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	linux-kernel@...r.kernel.org
Cc:	luca abeni <luca.abeni@...tn.it>, Juri Lelli <juri.lelli@....com>,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH RFC v2 05/12] Task tracking per file descriptor

Task tracking per file descriptor for thread death clean up.

Signed-off-by: Bill Huey (hui) <bill.huey@...il.com>
---
 drivers/rtc/class.c | 3 +++
 include/linux/rtc.h | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 74fd974..ad570b9 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -201,6 +201,9 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev,
 	rtc->irq_freq = 1;
 	rtc->max_user_freq = 64;
 	rtc->dev.parent = dev;
+#ifdef CONFIG_RTC_CYCLIC
+	INIT_LIST_HEAD(&rtc->rt_overrun_tasks); //struct list_head
+#endif
 	rtc->dev.class = rtc_class;
 	rtc->dev.groups = rtc_get_dev_attribute_groups();
 	rtc->dev.release = rtc_device_release;
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index b693ada..1424550 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -114,6 +114,9 @@ struct rtc_timer {
 struct rtc_device {
 	struct device dev;
 	struct module *owner;
+#ifdef CONFIG_RTC_CYCLIC
+	struct list_head rt_overrun_tasks;
+#endif
 
 	int id;
 	char name[RTC_DEVICE_NAME_SIZE];
-- 
2.5.0